Thank you for reaching out to Samsung SmartThings Support Team.
We appreciate the opportunity to assist you and we are sorry for any inconvenience caused . I see that you are facing issue as you are unable to access the app and IDE as it is showing server error , but still no worries lets work together and fix this
However, in order to fix the issue regarding IDE we request you to try with different browser and see if that helps and for app we suggest you to once uninstall and reinstall the app as see if that works
If the issue still persists, we request you to provide us with the below details for further investigation
SmartThings App version (In the app Menu >> Settings >> About SmartThings)
Screenshot of the error from the app and IDE
Mobile model and OS version
Exact date and time of error if any
Please feel free to write back to us for any further queries and concerns
This response is from after the outage was resolved.